Birth WeightChild DevelopmentCrowding
Dr. Robert E. Marshall, MD
NPI1801960117PAC ID6507055787
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 7,965
- Publications
- 9
- Hospital affiliations
- 1
- Industry payments
- $11
- Practice address
- 1190 Veterans Blvd, Redwood City, CA 94063
- Practice phone
- Call (650) 299-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Redwood City, California
Find Dr. Marshall's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert E. Marshall is an internist in Redwood City, California
Dr. Marshall practices at Permanente Medical Group Inc in Redwood City, California.
Dr. Marshall's NPI, 1801960117, was assigned on November 20, 2006. Dr. Marshall graduated from Michigan State University College of Human Medicine in 1992. Dr. Marshall holds California license G77466.
NPI and contact details
- NPI
- 1801960117NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507055787
- NPI enumeration date
- November 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 299-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert E. Marshall practices at Permanente Medical Group Inc in Redwood City, California
Dr. Marshall's primary practice is Permanente Medical Group Inc, at 1190 Veterans Blvd, Redwood City, CA 94063 in San Mateo County. The practice phone is (650) 299-2000.
- Permanente Medical Group Inc1190 Veterans Blvd, Redwood City, CA 94063 · San Mateo CountyPhone(650) 299-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert E. Marshall is affiliated with 2 sites of care and 1 medical group
Dr. Marshall's primary practice is Permanente Medical Group Inc in Redwood City, California. Dr. Marshall is also affiliated with Kaiser Permanente South San Francisco Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Permanente Medical Group IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert E. Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Marshall practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert E. Marshall is one of 16,751 internists in California
Internal medicine is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Marshall is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes, gout, high cholesterol, lower back pain, muscle pain, fibromyalgia, and limb pain, non-alzheimer's dementia (chronic) and pneumonia among the conditions Dr. Marshall treats.
Internists near Dr. Marshall
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert E. Marshall treated 15 Medicare patients in 2024, average age 71
CMS counts 15 Medicare patients who saw Dr. Marshall in 2024. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 66, with 38% women.
Medicare patients, 202415
Average age71
Average risk score0.75
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert E. Marshall wrote 7,965 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 7,965 Medicare Part D claims for 703 patients. 92% of them were for generic drugs. CMS names the drug for 7,362 of them, across 105 drugs with 11 or more claims each, at $225,752 in total drug cost. In 2023, CMS named 7,143 claims across 96 drugs.
Part D claims, 20247,965
Drugs named by CMS105
Total drug cost$225,752
Part D patients703
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic7,305 claims92%
- Brand-name618 claims8%
- Other42 claims1%
Dr. Marshall's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Marshall's Part D claims, 2024
- Opioids5%359 of 7,965 claims
- Antibiotics3%270 of 7,965 claims
- Antipsychotics, patients 65 and over0%14 of 7,965 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,1432024: 7,3623%
Drugs named by CMS: 105 in 2024, 96 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Robert E. Marshall takes part in Medicare
Dr. Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Find internists like Dr. Marshall by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Robert E. Marshall has 9 publications on record
Dmand AI links 9 papers to Dr. Marshall. The most frequent topics are Electroencephalography, Evoked Potentials and Circumcision, Male. Dr. Marshall has published most often in Child Dev. Dr. Marshall's most frequent co-authors are Randolph Marshall, MD and James Chris Sackellares, MD.
Papers9
Topics Dr. Marshall writes about most
- Electroencephalography
- Evoked Potentials
- Circumcision, Male
- Crying
- Pain
Dr. Marshall's most frequent co-authors
Recent publications by Dr. Marshall
IEEE Trans Biomed Eng
Biomedical EngineeringEvoked PotentialsInformation Theory
Electroencephalogr Clin Neurophysiol
ElectroencephalographyEvoked PotentialsMacula Lutea
Pediatr Clin North Am
Haemophilus influenzaeNeisseria meningitidisSepsis
Brain NeoplasmsCerebral CortexCraniopharyngioma
See who Dr. Marshall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marshall works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert E. Marshall received $11 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Marshall from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $11.
Companies that paid Dr. Marshall the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert E. Marshall has 1 award and honors on record
Dmand AI lists 1 award for Dr. Marshall, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Marshall
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Robert E. Marshall graduated from Michigan State University College of Human Medicine
Dr. Marshall graduated from Michigan State University College of Human Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Robert E. Marshall accepts plans from 2 insurance carriers
Dr. Marshall is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Marshall accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Robert E. Marshall's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert E. Marshall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert E. Marshall's NPI number?
Dr. Robert E. Marshall's NPI number is 1801960117. It was assigned on November 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert E. Marshall?
Dr. Robert E. Marshall is an internist in Redwood City, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert E. Marshall practice?
Dr. Marshall practices at 1190 Veterans Blvd, Redwood City, CA 94063. Dr. Marshall's primary practice is Permanente Medical Group Inc in Redwood City, California.
What is Dr. Robert E. Marshall's office phone number?
The practice phone on file for Dr. Marshall is (650) 299-2000.
What is Dr. Robert E. Marshall's medical license number?
Dr. Marshall holds California license G77466.
Which hospitals is Dr. Robert E. Marshall affiliated with?
Dr. Marshall is affiliated with Kaiser Permanente South San Francisco Medical Center.
What medical group is Dr. Robert E. Marshall part of?
Dr. Marshall is linked to The Permanente Medical Group, Inc.
Does Dr. Robert E. Marshall accept Medicare?
Yes. CMS lists Dr. Marshall as accepting Medicare assignment.
How many Medicare patients does Dr. Robert E. Marshall see?
CMS counts 15 Medicare patients who saw Dr. Marshall in 2024, with an average age of 71.
Where did Dr. Robert E. Marshall go to medical school?
Dr. Marshall graduated from Michigan State University College of Human Medicine in 1992.
Show 6 more questionsShow fewer questions
What drugs does Dr. Robert E. Marshall prescribe most?
In 2024 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Robert E. Marshall received payments from drug or device companies?
CMS Open Payments shows $11 in general payments to Dr. Marshall from 1 company from 2017 to 2017. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Robert E. Marshall been practicing?
Dr. Marshall graduated from medical school in 1992, 34 years ago.
Does Dr. Robert E. Marshall do research?
Dmand AI links 9 publications to Dr. Marshall.
Who does Dr. Robert E. Marshall publish with?
Dr. Marshall's most frequent co-authors are Randolph Marshall, MD (1 shared paper) and James Chris Sackellares, MD (1 shared paper).
What insurance does Dr. Robert E. Marshall accept?
Dr. Marshall is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card